hackens-org-configurations/machines/hackens-org/wireguard.nix

{
  config,
  lib,
  pkgs,
  ...
}: {
  systemd.network = {
    enable = true;
    networks = {
      "50-wg0" = {
        name = "wg0";
        address = [
          "10.10.10.1/24"
        ];
        routes =  [{
          routeConfig = {
            Destination = "10.10.10.0/24";
            Scope = "link";
          };
        }];
        networkConfig = {
          IPForward = true;
        };
      };
    };
    netdevs = {
      "50-wg0" = {
        netdevConfig = {
          Name = "wg0";
          Kind = "wireguard";
        };
        wireguardConfig = {
          ListenPort = 1194;
          PrivateKeyFile = config.age.secrets."wg-key".path;
        };

        wireguardPeers = [
          { #bakham (AGB)
            wireguardPeerConfig = {
              AllowedIPs = [
                "10.10.10.5/32"
              ];
              PublicKey = "JpUHFiavhlQfiHfOdUffQP3HLLeStttheACCaqlXAF8=";
            };
          }
          { #soyouzpanda
            wireguardPeerConfig = {
              AllowedIPs = [
                "10.10.10.11/32"
              ];
              PublicKey = "/xjWqkiyHY93wqo/Apj5SHP8UaXF4mKQRVwylKC2wy8=";
            };
          }
          { #sinavir
            wireguardPeerConfig = {
              AllowedIPs = [
                "10.10.10.12/32"
              ];
              PublicKey = "kmc3PexCMKm1Tg8WUDbHaOkcWLl8KUh52CtrDOODf0M=";
            };
          }
        ];
      };
    };
  };
  networking.firewall.allowedUDPPorts = [ 1194 ];
}